DIAB TBR® 6 Multifunctional Polymer Core Material

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DIAB TBR® 6 Multifunctional Polymer Core Material (discontinued **)
Categories:	Other Engineering Material; Composite Core Material; Polymer; Renewable/Recycled Polymer
Material Notes:	TBR® is a multifunctional polymer core designed for hard points within sandwich structures where through-bolting or point-loading would normally cause local crushing of low density sandwich cores. TBR® provides strength and performance for applications where there is a need for hard points and through bolting while maintaining lightweight construction. Typical applications include bolt transoms (outboard and inboard/outboard), deck cleat and railing bases winch pads, strut bases, and thru-hull pads. TBR® is available in three densities as standard sheets or fabricated kits. TBR® may contain up to 10% recycled content. It has a highly imidized chemical structure within its inter-penetrating polymer network. TBR® has a coarse cell structure designed for increased mechanical adhesion. Information provided by DIAB, Inc.
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Physical Properties	Original Value	Comments

Density	6.00 lb/ft³	Nominal
	5.40 - 7.20 lb/ft³	Tolerance from nominal of -10%/+20%; ASTM D1622

Mechanical Properties	Original Value	Comments
Tensile Strength, Ultimate	420 psi	ASTM D1623
Elongation at Break	11.5 %	Shear Strain; ASTM C273
Compressive Strength	245 psi	ASTM D1621
Compressive Modulus	18000 psi	ASTM D1621-B
Poissons Ratio	0.32
Shear Modulus	5.00 ksi	ASTM C273
Shear Strength	200 psi	ASTM C273

Thermal Properties	Original Value	Comments
CTE, linear	36.0 µm/m-°C @Temperature 20.0 °C	ASTM D696
Maximum Service Temperature, Air	82.2 °C	Continuous
Minimum Service Temperature, Air	-198.3 °C	Continuous

Processing Properties	Original Value	Comments
Processing Temperature	<= 90.0 °C

Descriptive Properties
Water Absorption	0.008 lb/ft²	ASTM D2842 at 72°F

**
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PDIAB52 / 29830

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